Brachystachyum

{{Short description|Genus of bamboo}}

{{Automatic taxobox

|taxon = Brachystachyum

|authority = Keng

|display_parents = 3

}}

Brachystachyum is a genus of bamboo. It includes two species native to southern China.{{cite web |title=Brachystachyum Keng |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17620-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=13 May 2025}}

• Brachystachyum albostriatum {{small|G.H.Lai}}
• Brachystachyum densiflorum {{small|(Rendle) Keng}}